> Change the default to
>
> default:
> pnpbios_print_status("pnp_dock..... etc)
> printk(KERN_ERR "PnPBIOS: Disabling dock monitoring\n");
> complete_and_exit(&unload_sem, 0);
>
> that should produce you one error message, a warning that dock monitoring
> is being disabled and then it should stfu.
>
> If you can let us know if that does the trick then I can push it upstream.
works perfectly - thanks very much !
[ 9.712027] Switching to clocksource tsc
[ 9.903305] udevd[42]: starting version 175
[ 10.637309] natsemi dp8381x driver, version 2.1, Sept 11, 2006
[ 10.637345] originally by Donald Becker <bec...@scyld.com>
[ 10.637371] 2.4.x kernel port by Jeff Garzik, Tjeerd Mulder
[ 10.700287] natsemi 0000:00:0f.0: setting latency timer to 64
[ 10.880548] natsemi eth0: NatSemi DP8381[56] at 0x8010000 (0000:00:0f.0),
00:00:00:00:00:00, IRQ 10, port TP.
[ 11.025143] PnPBIOS: pnp_dock_thread: unexpected status 0x5
>[ 11.026800] PnPBIOS: Disabling dock monitoring
[ 11.518269] SCSI subsystem initialized
[ 11.550857] usbcore: registered new interface driver usbfs
> I've not seen other reports of pnp_dock_thread errors with a real dock.
> The only reports at all are a couple of old ones in google that seem to
> be similar and a Debian bug (294652) which appears to be your bug so I'd
indeed - seems a rather weird/rare/old one.
glad that you fixed it, though. thanks again!
roland
> Gesendet: Montag, 10. November 2014 um 14:54 Uhr
> Von: "One Thousand Gnomes" <gno...@lxorguk.ukuu.org.uk>
> An: devz...@web.de
> Cc: linux-kernel@vger.kernel.org, rafael.j.wyso...@intel.com
> Betreff: Re: dmesg spam: "PnPBIOS: pnp_dock_thread: unexpected status 0x5
> flooding"
>
> On Fri, 7 Nov 2014 00:54:31 +0100
> devz...@web.de wrote:
>
> > Hi,
> >
> > on an ancient GX1 Geode embedded board (Evo T20/Wyse wt3235le Thin Client,
> > which are cheap (<$10) and low power x86 embeded platform) , dmesg is
> > getting constantly spammed with "PnPBIOS: pnp_dock_thread: unexpected
> > status 0x5" during and after boot.
> >
> > Any ideas what this means and how to stop that?
> >
> > It seems it comes from drivers/pnp/pnpbios/bioscalls.c ->
> > pnpbios_print_status()
> >
> > Tried adding pnpbios=off, but with that the system does not boot anymore.
> >
> > Being curious, why a non-existing docking-station is being "polled at
> > regular intervals" (i.e. every 2 seconds - see drivers/pnp/pnpbios/core.c )
>
> We poll for a dock, and if the BIOS reports that the function is not
> supported we then exit the thread.
>
> >
> > >From
> > >http://books.google.de/books?id=ibLa4I5EnC4C&pg=PA231&lpg=PA231&dq=pnp+docking+bios&source=bl&ots=ekCFm34U_B&sig=9Z9L55IAL7_3NtuM10jT3serncM&hl=de&sa=X&ei=mAZcVILnJsviO-r5gNgI&ved=0CCsQ6AEwAQ#v=onepage&q=pnp%20docking%20bios&f=false
> > > i read: "Function 05h - Get Docking Status Information at page 251"
>
> The spec is available at:
>
> http://download.intel.com/support/motherboards/desktop/sb/pnpbiosspecificationv10a.pdf
>
> > it seems this is being the result of a "docking event" ? Does this mean,
> > my system is erroneusly generating such docking events, even if there is no
> > docking station at all?
>
> Your BIOS appears to be making strange replies. Any error ought to have
> the top bit set, so its reporting a nonsense value for some reason.
>
> I've not seen other reports of pnp_dock_thread errors with a real dock.
> The only reports at all are a couple of old ones in google that seem to
> be similar and a Debian bug (294652) which appears to be your bug so I'd
> suggest testing the following
>
>
> Change the default to
>
> default:
> pnpbios_print_status("pnp_dock..... etc)
> printk(KERN_ERR "PnPBIOS: Disabling dock monitoring\n");
> complete_and_exit(&unload_sem, 0);
>
> that should produce you one error message, a warning that dock monitoring
> is being disabled and then it should stfu.
>
> If you can let us know if that does the trick then I can push it upstream.
>
> Alan
>
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